On Wed, May 11, 2022 at 03:31:46PM -0400, Gabriel Krisman Bertazi wrote: > @@ -293,10 +294,6 @@ static void f2fs_destroy_casefold_cache(void) > { > kmem_cache_destroy(f2fs_cf_name_slab); > } > -#else > -static int __init f2fs_create_casefold_cache(void) { return 0; } > -static void f2fs_destroy_casefold_cache(void) { } > -#endif [...] > @@ -4611,7 +4608,10 @@ static int __init init_f2fs_fs(void) > err = f2fs_init_compress_cache(); > if (err) > goto free_compress_mempool; > - err = f2fs_create_casefold_cache(); > + > + if (IS_ENABLED(CONFIG_UNICODE)) > + err = f2fs_create_casefold_cache(); > + > if (err) > goto free_compress_cache; > return 0; > @@ -4654,7 +4654,9 @@ static int __init init_f2fs_fs(void) > > static void __exit exit_f2fs_fs(void) > { > - f2fs_destroy_casefold_cache(); > + if (IS_ENABLED(CONFIG_UNICODE)) > + f2fs_destroy_casefold_cache(); > + I don't think the above two changes are actually an improvement. It's cleaner to use stub functions to keep the callers simpler, as the original code did. - Eric